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    • 2. 发明专利
    • Bearing member for internal combustion engine
    • 内燃机轴承座
    • JP2010084217A
    • 2010-04-15
    • JP2008257324
    • 2008-10-02
    • Nippon Light Metal Co LtdNissan Motor Co Ltd日本軽金属株式会社日産自動車株式会社
    • SODA YUJIAKIYAMA KOICHIOKADA YOSHIOSHIODA MASAHIKOODA KAZUHIRO
    • C22C21/00B22D17/00B22D21/04C22F1/00C22F1/043
    • PROBLEM TO BE SOLVED: To provide a bearing member for an internal combustion engine composed of an aluminum alloy having high rigidity, a low thermal expansion coefficient and satisfactory castability.
      SOLUTION: The bearing material for an internal combustion engine is composed of an aluminum alloy having a composition comprising 15 to 18% Si, 4 to 6% Cu, 1.0 to 3% Fe, 0.5 to 2% Mn, 1.0 to 6% Ni and 0.001 to 0.02% P, and in which the total content of Fe, Mn and Ni is 3.0 to 11 mass%, and the balance Al with inevitable impurities, and in which Si and intermetallic compounds are crystallized out by ≥30 vol.%. The aluminum alloy, if required, includes either or both of 0.1 to 1.0% Cr and 0.01 to 1.0% Ti, and, if required, includes at least one selected from the group consisting of 0.0001 to 1.0% B, 0.1 to 1.0% V, 0.1 to 1.0% Zr, and 0.01 to 1.0% Mo as well.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种由具有高刚性,低热膨胀系数和令人满意的浇铸性的铝合金组成的内燃机的轴承构件。 解决方案:用于内燃机的轴承材料由具有15至18%Si,4至6%Cu,1.0至3%Fe,0.5至2%Mn,1.0至6的组成的铝合金组成 %Ni和0.001〜0.02%P,其中Fe,Mn和Ni的总含量为3.0〜11质量%,余量为Al和不可避免的杂质,其中Si和金属间化合物结晶出≥30体积% %。 如果需要,铝合金包括0.1至1.0%的Cr和0.01至1.0%的Ti中的一种或两种,并且如果需要,包括选自0.0001至1.0%的B,0.1至1.0%的V ,0.1〜1.0%的Zr,以及0.01〜1.0%的Mo。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Aluminum alloy casting and its manufacturing method
    • 铝合金铸造及其制造方法
    • JP2007023330A
    • 2007-02-01
    • JP2005206285
    • 2005-07-15
    • Nissan Motor Co Ltd日産自動車株式会社
    • SASAKI SOJIAKIYAMA KOICHI
    • C22C21/02B22D21/04C22F1/00C22F1/043F02F1/24
    • PROBLEM TO BE SOLVED: To provide an aluminum alloy casting having excellent tensile strength and fatigue strength and suitably used e.g. as a cylinder head for internal-combustion engines and its manufacturing method and further to provide a cylinder head for internal-combustion engines made of the aluminum alloy casting and a cylinder head for internal-combustion engines obtained using the manufacturing method. SOLUTION: In the aluminum alloy casting which has a composition consisting of, by mass, 4.0 to 10.0%, preferably 4.0 to 7.0%, Si, 2.0 to 4.5% Cu, ≤0.5%, preferably 0.25 to 0.45%, Mg, 35 to 200 ppm, preferably >50 to 200 ppm Sr and the balance Al with inevitable impurities, Fe content is reduced to ≤0.25% and the amount of porosity is set to ≤0.3% by area ratio. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有优异的拉伸强度和疲劳强度的铝合金铸件, 作为内燃机的气缸盖及其制造方法,并且还提供由铝合金铸件制成的内燃机的气缸盖和使用该制造方法获得的用于内燃机的气缸盖。 解决方案:在具有由4.0质量%至10.0%,优选4.0至7.0%Si,2.0至4.5%Cu,≤0.5%,优选0.25至0.45%质量组成的铝合金铸件中,Mg ,35〜200ppm,优选> 50〜200ppm Sr,余量为Al,不可避免的杂质,Fe含量降低至≤0.25%,孔隙率设定为≤0.3%(面积比)。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Ferrous spray deposited thin film for cylinder block, and cylinder block
    • 圆柱喷枪,气缸盖,FERROUS喷雾沉积薄膜
    • JP2007302941A
    • 2007-11-22
    • JP2006132452
    • 2006-05-11
    • Nissan Motor Co Ltd日産自動車株式会社
    • HAMADA TAKAHIROAKIYAMA KOICHI
    • C23C4/12F02F1/00F16J10/04
    • PROBLEM TO BE SOLVED: To provide a ferrous spray deposited thin film for a cylinder block which is excellent in peeling resistance under a high bearing pressure, and a cylinder block having the same. SOLUTION: The ferrous spray deposited thin film for the cylinder block is formed on an inner surface of a cylinder bore of a cylinder block base material and has a laminate structure in which a plurality of ferrous spray deposited particles are laminated in layers. The diameter of the ferrous spray deposited particles in the film thickness direction of the ferrous spray deposited thin film for the cylinder block is ≤30 μm, and the particle diameter in the axial direction of the cylinder bore is 30-300 μm. The cylinder block has the ferrous spray deposited thin film for the cylinder block. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于在高轴承压力下耐剥离性优异的气缸体的含​​铁喷镀薄膜,以及具有该薄膜的气缸体。 解决方案:用于气缸体的含​​铁喷镀的薄膜形成在气缸体基体的气缸孔的内表面上,并且具有层叠结构,其中多个含铁喷雾沉积颗粒层压。 用于气缸体的铁喷镀膜薄膜的膜厚度方向上的含铁喷雾沉积颗粒的直径≤30μm,气缸孔轴向的粒径为30〜300μm。 气缸体具有用于气缸体的铁水喷涂沉积薄膜。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Cylinder block and bore inner surface machining method for cylinder block
    • 缸体块和内孔表面加工方法
    • JP2006220018A
    • 2006-08-24
    • JP2005032244
    • 2005-02-08
    • Nissan Motor Co Ltd日産自動車株式会社
    • TAKAHASHI HIDEOKOGO KAZUHIROAKIYAMA KOICHIIKEDA AKIHIRO
    • F02F1/00B24B33/02C23C4/08C23C4/18
    • PROBLEM TO BE SOLVED: To secure scuffing resistance and prevent increase of oil consumption and friction between a bore inner surface and a piston ring in an engine including a cylinder block having spray deposit formed on the bore inner surface without using expensive spray deposit material such as Mo material. SOLUTION: Honing is applied on the bore inner surface of the cylinder block after forming spray deposit film of nonferrous metal material. Then, honing oil adhering on the bore inner surface after honing is impregnated between layer particle of the spray deposit film on the bore inner surface. At a time of impregnation, honing oil is impregnated between layer particles by opening an inside of the bore to atmospheric air after removing air between the layer particles of the spray deposit by vacuuming the inside of the bore. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了确保抗磨损性,并且防止发动机中的内孔表面和活塞环之间的油耗和摩擦的增加,该发动机包括具有形成在孔内表面上的喷射沉积物的气缸体,而不使用昂贵的喷雾沉积 材料如Mo材料。

      解决方案:在形成有色金属材料喷涂沉积膜之后,将珩磨应用于气缸体的孔内表面。 然后,珩磨后粘附在孔内表面上的珩磨油浸渍在孔内表面上的喷涂沉积膜的层颗粒之间。 在浸渍时,通过抽吸孔的内部去除喷雾沉积物的层颗粒之后的空气,将珩磨油浸渍在层颗粒之间,通过将孔的内部打开到大气中。 版权所有(C)2006,JPO&NCIPI

    • 8. 发明专利
    • Piston, piston ring and cylinder block for internal combustion engine
    • 活塞,活塞环和缸体内燃机
    • JP2007177760A
    • 2007-07-12
    • JP2005379345
    • 2005-12-28
    • Nissan Motor Co Ltd日産自動車株式会社
    • HAMADA TAKAHIROAKIYAMA KOICHIMIYAKE SHUSUKE
    • F02F1/00F02F3/10F02F5/00F16J1/02F16J9/26F16J10/04
    • PROBLEM TO BE SOLVED: To provide a cylinder block for internal combustion engine capable of reducing manufacturing cost, improving in a friction coefficient and scuff resistance of a cylinder bore inner surface, and a piston and a piston ring used for the same.
      SOLUTION: Manufacturing cost of the cylinder block for the internal combustion engine having horning applied on a cylinder bore inner surface after formation of spray deposition is reduced by using ferrous spray material as spray deposition material. As surface characteristics of the spray deposition after horning, average roughness Ra is set to 0.5μm or less, depth Rvk of oil reservoir in a roughness curve is set to 0.8 μm-2.6 μm, and a ratio Mr2 of load length is set to 78-90%. Consequently, improvement in the friction coefficient and scuff resistance of the cylinder bore inner surface is materialized.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够降低制造成本,提高气缸内孔表面的摩擦系数和抗磨损性的内燃机用气缸体,以及用于其的活塞和活塞环。 解决方案:通过使用含铁喷涂材料作为喷涂沉积材料,可以减少在形成喷涂沉积后在缸体内表面上施加的内燃机的气缸体的制造成本。 作为珩磨后的喷雾沉积的表面特性,将平均粗糙度Ra设定为0.5μm以下,将粗糙度曲线中的油藏的深度Rvk设定为0.8μm〜2.6μm,将负载长度的比率Mr2设定为78 -90%。 因此,实现了气缸孔内表面的摩擦系数和抗磨损性的提高。 版权所有(C)2007,JPO&INPIT